/* ===== PRELOADER ===== */


.preloader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: var(--bg-primary);
  z-index: 99999;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
}

body.loading {
  overflow: hidden;
}

body.loading {
  overflow: hidden !important;
}

body.loading main,
body.loading section,
body.loading nav,
body.loading .hero,
body.loading .hero-content,
body.loading .hero-visual,
body.loading > *:not(.preloader) {
  content-visibility: hidden !important; 
  visibility: hidden !important;
  opacity: 0 !important;
  pointer-events: none !important;
  contain: strict;                        
}

.preloader[style*="opacity"] {
  background: var(--bg-primary) !important;
  z-index: 999999 !important;
}

.preloader.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  display: none !important;
}

body.loading .preloader {
  overflow: hidden;
}

.loading-animation {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3rem;
}

.advanced-loader {
  position: relative;
  width: 120px;
  height: 120px;
}

.loader-orbit {
  position: absolute;
  border: 2px solid transparent;
  border-radius: 50%;
  animation: orbitSpin 3s linear infinite;
}

.loader-orbit:nth-child(1) {
  width: 120px;
  height: 120px;
  border-top: 3px solid var(--accent-primary);
  border-right: 3px solid var(--accent-primary);
  opacity: 1;
}

.loader-orbit:nth-child(2) {
  width: 90px;
  height: 90px;
  top: 15px;
  left: 15px;
  border-bottom: 2px solid var(--accent-secondary);
  border-left: 2px solid var(--accent-secondary);
  animation-duration: 2s;
  animation-direction: reverse;
  opacity: 0.8;
}

.loader-orbit:nth-child(3) {
  width: 60px;
  height: 60px;
  top: 30px;
  left: 30px;
  border-top: 2px solid var(--accent-tertiary);
  border-right: 2px solid var(--accent-tertiary);
  animation-duration: 1.5s;
  opacity: 0.6;
}

.loader-center {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 20px;
  background: var(--gradient-accent);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  animation: centerPulse 2s ease-in-out infinite;
  box-shadow: 0 0 20px var(--accent-primary);
}

.loader-particles {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 5px;
  height: 5px;
  background: var(--accent-primary);
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.loader-particles:nth-child(5) {
  animation: particleFloat1 3s ease-in-out infinite;
}

.loader-particles:nth-child(6) {
  animation: particleFloat2 3s ease-in-out infinite ;
}

.loader-particles:nth-child(7) {
  animation: particleFloat3 3s ease-in-out infinite ;
}

.loader-particles:nth-child(8) {
  animation: particleFloat4 3s ease-in-out infinite;
}

@keyframes orbitSpin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

@keyframes centerPulse {
  0%, 100% { 
    transform: translate(-50%, -50%) scale(1);
    box-shadow: 0 0 20px var(--accent-primary);
  }
  50% { 
    transform: translate(-50%, -50%) scale(1.3);
    box-shadow: 0 0 40px var(--accent-primary);
  }
}

@keyframes particleFloat1 {
  0%, 100% { transform: translate(-50%, -50%) translate(0, -40px) scale(0); }
  50% { transform: translate(-50%, -50%) translate(20px, -60px) scale(1); }
}

@keyframes particleFloat2 {
  0%, 100% { transform: translate(-50%, -50%) translate(0, 40px) scale(0); }
  50% { transform: translate(-50%, -50%) translate(-20px, 60px) scale(1); }
}

@keyframes particleFloat3 {
  0%, 100% { transform: translate(-50%, -50%) translate(-40px, 0) scale(0); }
  50% { transform: translate(-50%, -50%) translate(-60px, -20px) scale(1); }
}

@keyframes particleFloat4 {
  0%, 100% { transform: translate(-50%, -50%) translate(40px, 0) scale(0); }
  50% { transform: translate(-50%, -50%) translate(60px, 20px) scale(1); }
}

.loading-text {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text-primary);
  opacity: 0;
  animation: fadeInUp 0.8s ease-out 0.8s forwards;
  text-align: center;
  letter-spacing: 0.5px;
}

.loading-subtitle {
  font-size: 1rem;
  font-weight: 400;
  margin-top: -2rem;
  color: var(--text-secondary);
  opacity: 0;
  animation: fadeInUp 0.8s ease-out 1.2s forwards;
  text-align: center;
}

.loading-progress {
  width: 280px;
  height: 4px;
  background: var(--bg-tertiary);
  border-radius: 2px;
  overflow: hidden;
  opacity: 0;
  animation: fadeInUp 0.8s ease-out 1.5s forwards;
  position: relative;
}

.progress-bar {
  height: 100%;
  background: var(--gradient-accent);
  border-radius: 2px;
  width: 0%;
  animation: progressLoad 3s ease-out forwards;
  box-shadow: 0 0 10px var(--accent-primary);
}

.progress-glow {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--gradient-accent);
  border-radius: 2px;
  opacity: 0.3;
  animation: progressGlow 3s ease-out forwards;
}

@keyframes progressGlow {
  0% {
    transform: translateX(-100%);
    opacity: 0;
  }
  50% {
    opacity: 0.6;
  }
  100% {
    transform: translateX(100%);
    opacity: 0;
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes progressLoad {
  0% { width: 0%; }
  25% { width: 30%; }
  50% { width: 60%; }
  75% { width: 85%; }
  100% { width: 100%; }
}